1、
As the trophoblast shell gradually begins to break open, maternal blood placental lacunae.
由于绒毛细胞外壳逐渐退化开放, 母体血液即涌入绒毛间隙.
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2、
This would partly address the regulatory lacunae revealed by successive scandals at the NYSE.
这将部分弥补纽约证券交易所—系列丑闻所暴露出的监管漏洞.
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3、
The bony spicules are even, with occasional lacunae containing osteocytes.
骨板连续均一, 偶尔可见包含骨细胞的腔隙.
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